“…Strains and Culture Conditions-C. reinhardtii wild-type strain CC-125 (MTϩ) and mutant strains ccsA-B6 (CC-2695/CC-2934), ccs1-ac206 (CC-939/CC-1112), ccs1-2 (CC-3422/3423), ccs1-3 (CC-3424/CC-3425), ccs1-4 (CC-3426), abf3 (now ccs1-5::NIT1), ccs2-1 to ccs2-5 (CC-3428 to CC-3437), ccs3-F18 (CC-3092/CC-3093), ccs4-F2D8 (CC-3910/CC-3720), and ccs5-1::ARG7 (CC-3717/CC-3718), described previously (4,43,45,47,56,57), can be obtained from the Chlamydomonas Genetics Center (Duke University, Durham, NC). Arginine-auxotrophic strain arg7cw15A used for insertional mutagenesis was obtained from Prof. J.-D. Rochaix, University of Geneva, Switzerland.…”